Overview
Phorbol Ester Reference Standard, commonly referred to as TPA (12-O-Tetradecanoylphorbol-13-acetate), is a well-characterized compound used primarily in biochemical and pharmaceutical research. It is derived from the seeds of the croton plant and is known for its ability to activate protein kinase C (PKC), making it a valuable tool in studying cell signaling pathways. The reference standard is highly purified to ensure consistency and reliability in experimental results. Due to its potent biological activity, Phorbol Ester Reference Standard is widely utilized in cancer research, immunology, and toxicology studies. Researchers rely on its standardized properties to investigate tumor promotion, inflammation, and other cellular processes. Its precise molecular structure and consistent performance make it a critical component in high-throughput screening and assay development.
Physical and Chemical Properties
Phorbol Ester Reference Standard is a white to off-white crystalline powder with a molecular weight of 616.83 g/mol. It has a melting point of approximately 120-122°C and is soluble in organic solvents such as DMSO and ethanol, though it has limited solubility in water. The compound is sensitive to light and moisture, requiring storage at -20°C to maintain stability. The molecular formula of Phorbol Ester is C36H56O8, and its structure includes a phorbol backbone with esterified fatty acids, which contribute to its biological activity. The compound's high purity (typically >98%) ensures minimal interference in experimental applications. Its stability under controlled conditions makes it suitable for long-term storage, though it should be handled with care to prevent degradation.
Main Applications
Phorbol Ester Reference Standard is primarily used in biomedical research to study protein kinase C (PKC) activation and related signaling pathways. Its ability to mimic diacylglycerol (DAG) makes it a powerful tool for investigating cellular processes such as proliferation, differentiation, and apoptosis. Researchers employ it in cancer studies to explore tumor promotion and metastasis, as well as in immunology to examine inflammatory responses. In addition to basic research, Phorbol Ester is utilized in drug discovery and development, particularly in high-throughput screening assays. Its consistent performance and well-documented effects make it a reliable reference for validating experimental protocols. The compound is also used in toxicology to assess the effects of PKC modulation on cellular health and function.
Safety and Storage
Phorbol Ester Reference Standard is classified as a hazardous substance due to its toxicity and potential carcinogenic effects. Proper safety measures, including the use of gloves, lab coats, and protective eyewear, are essential when handling the compound. It should be used in a well-ventilated area or under a fume hood to minimize inhalation risks. Storage conditions are critical to maintaining the compound's integrity. It must be kept at -20°C in a tightly sealed container, protected from light and moisture. Avoid repeated freeze-thaw cycles, as they can degrade the compound. Disposal should comply with local regulations for hazardous chemicals to ensure environmental and personal safety.
B2B Procurement Guide
When procuring Phorbol Ester Reference Standard, B2B buyers should prioritize suppliers with a proven track record of providing high-purity chemicals. Certificates of Analysis (CoA) should be requested to verify purity and confirm the absence of contaminants. Reputable suppliers often provide batch-specific data, ensuring consistency across orders. Buyers should also consider storage and handling requirements when planning procurement. Bulk purchases may offer cost savings but require adequate storage facilities to maintain product stability. Lead times and shipping conditions (e.g., cold chain logistics) should be confirmed to prevent delays or damage. Establishing long-term relationships with trusted suppliers can streamline procurement and ensure reliable access to this critical research reagent.
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